Breadcrumb Home > Dictionary > Index G guereza: Meaning and Definition of Find definitions for: gue•rez•a Pronunciation: (gu-rez'u), [key] — n. a colobus monkey, esp. of the species Colobus guereza. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: guereza (Thesaurus) guerdon Guericke ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language